3个回答

The iPhone 7 has an all electronic button. There is no physical actuator anymore so both the "click" and TouchID functions are embedded in the electronics of the Home Button Flex. So while you can purchase a replacement button, it will not do anything but "fill the hole".

If the problem with the HB is the click function (TouchID still works), then that can be repaired via a micro-soldering repair. If the problem is lack of TouchID, then the only way to repair it is to bring the iPhone into an Apple store for a screen/button replacement.

You can finally buy aftermarket home buttons that have “click“ function and you don’t need to change the charging port or extra cables. Touch ID will of course not work (idk how did apple suddenly give up on such a secure technology they had going on).

Apple didn't: The security of TouchID relies on nobody but Apple knowing how it works or having access to it's chip design. If you could clone it, you could modify it to be insecure and then sell it to unsuspecting repair agents alongside genuine units.

In the wake of the drama that Apple have had with governments over their right to access locked devices, this would allow others to gain an easy way to 'unlock any phone' and they would instantly get so many gov contracts and make so much money... and lay waste to Apple's security efforts in a big way.